<template>
  <div id="addgoods">
    <h3>商品上架</h3>
    <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
      <el-form-item label="商品ID" prop="goods_id" style="width:250px">
        <el-input v-model="ruleForm.goods_id" type="number"></el-input>
      </el-form-item>
      <el-form-item label="商品名称" prop="short_name" style="width:500px">
        <el-input v-model="ruleForm.short_name"></el-input>
      </el-form-item>
      <el-form-item label="商品图片" style="width:500px">
        <el-upload list-type="picture-card" :on-preview="handlePictureCardPreview" :on-change="handleChange"
          :auto-upload="false" :multiple="false" limit:1 action="http://localhost:3000">
          <i class="el-icon-plus"></i>
        </el-upload>
        <el-dialog :visible.sync="dialogVisible">
          <img width="100%" :src="dialogImageUrl" alt="">
        </el-dialog>
      </el-form-item>
      <el-form-item label="商品特价" prop="price" style="width:250px">
        <el-input v-model="ruleForm.price" type="number"></el-input>
      </el-form-item>
      <el-form-item label="商品库存" prop="counts" style="width:250px">
        <el-input v-model="ruleForm.counts" type="number"></el-input>
      </el-form-item>
      <el-form-item label="商品分类" prop="category">
        <el-select v-model="ruleForm.category" placeholder="请选择">
          <el-option v-for="item in options" :key="item.value" :label="item.label" :value="item.value">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="商品标签" prop="sales_tip" style="width:500px">
        <el-input v-model="ruleForm.sales_tip"></el-input>
      </el-form-item>
      <el-form-item label="商品详情" prop="goods_name" style="width:500px">
        <el-input type="textarea" v-model="ruleForm.goods_name" autosize></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm('ruleForm')">立即创建</el-button>
        <el-button @click="resetForm('ruleForm')">重置</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import { mapState } from 'vuex';
import { addGoodsToRecom, getAllgoods } from './../../../api/index';

export default {
  data() {
    return {
      fileList: [],
      dialogImageUrl: '',
      dialogVisible: false,
      ruleForm: {
        goods_id: null,
        short_name: '',
        goods_name: '',
        price: null,
        sales_tip: '',
        counts: null,
        category: 1,
      },
      rules: {
        goods_id: [
          { required: true, message: '请输入商品ID', trigger: 'blur' }
        ],
        short_name: [
          { required: true, message: '请输入商品名称', trigger: 'blur' }
        ],
        goods_name: [
          { required: true, message: '请填写商品详情', trigger: 'blur' }
        ],
        price: [
          { required: true, message: '请输入商品特价', trigger: 'blur' }
        ],
        counts: [
          { required: true, message: '请输入商品库存', trigger: 'blur' }
        ],
        category: [
          { required: true, message: '请选择商品分类号', trigger: 'blur' }
        ],
        sales_tip: [
          { required: true, message: '请输入商品标签', trigger: 'blur' }
        ],
      },
      options: [{
        value: 1,
        label: '文学'
      }, {
        value: 2,
        label: '流行'
      }, {
        value: 3,
        label: '文化'
      }, {
        value: 4,
        label: '生活'
      }, {
        value: 5,
        label: '经管'
      }, {
        value: 6,
        label: '科技'
      }],
    };
  },
  methods: {
    handleChange(file, fileList) {
      if (fileList.length > 1) {
        fileList = fileList.slice(-1)
      }
      this.fileList = fileList;
    },
    handlePictureCardPreview(file) {
      this.dialogImageUrl = file.url;
      this.dialogVisible = true;
    },
    async submitForm(formName) {
      let flag = false;
      this.$refs[formName].validate((valid) => {
        if (valid) {
          this.$refs[formName].model.goods_id = Number(this.$refs[formName].model.goods_id);
          this.$refs[formName].model.counts = Number(this.$refs[formName].model.counts);
          this.$refs[formName].model.price = Number(this.$refs[formName].model.price);
          // console.log(this.$refs[formName].model);
          flag = true;
        }
      });
      if (!this.fileList.length) {
        flag = false;
      }
      if (flag) {
        let formData = new FormData();
        formData.append('goods_id', this.$refs[formName].model.goods_id);
        formData.append('short_name', this.$refs[formName].model.short_name);
        formData.append('goods_name', this.$refs[formName].model.goods_name);
        formData.append('counts', this.$refs[formName].model.counts);
        formData.append('price', this.$refs[formName].model.price);
        formData.append('sales_tip', this.$refs[formName].model.sales_tip);
        formData.append('category', this.$refs[formName].model.category);
        formData.append('goods_img', this.fileList[0].raw);

        let result = await addGoodsToRecom(formData);
        /*
            let result = await addGoodsToRecom({
              goods_id: this.$refs[formName].model.goods_id,
              short_name: this.$refs[formName].model.short_name,
              goods_name: this.$refs[formName].model.goods_name,
              counts: this.$refs[formName].model.counts,
              price: this.$refs[formName].model.price,
              sales_tip: this.$refs[formName].model.sales_tip,
              category: this.$refs[formName].model.category
            });
        */
        if (result.success_code === 200) {
          this.$message({
            type: 'success',
            message: '添加成功'
          });
          this.$router.replace('/admin');
          getAllgoods();
        } else if (result.success_code === 500) {
          this.$message({
            type: 'info',
            message: '商品已存在'
          });
        } else {
          this.$message({
            type: 'error',
            message: '添加失败'
          });
        }
      }
    },
    resetForm(formName) {
      this.$refs[formName].resetFields();
    }
  }
}
</script>

<style scoped>
#addgoods {
  padding-top: 20px;
}

#addgoods>h3 {
  font-weight: bolder;
  margin: 10px 10px 30px 10px;
}
</style>

